Juventus and Arsenal are interested in Sporting CP winger Gelson Martins, claims Portuguese paper O Jogo.
The Portugal international just turned 23 and is under contract until June 2022.
A right-sided winger, Martins scored 13 goals with 13 assists in 52 competitive games this season.
He is reported to have a release clause worth €60m and has also been linked with Liverpool in recent months.
Sporting are in turmoil after their President bitterly criticised the team in public, then masked hooligans attacked players at the training ground.
Goalkeeper Rui Patricio, in talks with Napoli, has demanded his contract be terminated due to the incident.
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